CN106774623B

CN106774623B - foot controller

Info

Publication number: CN106774623B
Application number: CN201710054693.6A
Authority: CN
Inventors: 郭毅军; 陈源源; 温兴东; 赵正
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2017-01-24
Filing date: 2017-01-24
Publication date: 2019-01-25
Anticipated expiration: 2037-01-24
Also published as: CN106774623A

Abstract

The present invention provides a kind of foot controller, button assembly including pedestal and setting on the base, the First elastic component for button assembly to be jacked up to and is maintained at initial position is additionally provided on the pedestal, the second elastic component for starting switch structure is provided with below the button assembly, when pressing the button assembly, the First elastic component is acted prior to second elastic component.The pressing structure of button is designed to two-step manner of execution by the present invention, it is necessary to after first operating First elastic component, could pass through second elastic component press switch structure；First elastic component plays the role of starting protection, so that the case where preventing maloperation and avoiding accidental pressure trigger button, tramples feedback obviously, improves the safety of equipment, it is easy to operate.

Description

Foot controller

Technical field

The invention belongs to the field of medical instrument technology, and in particular to a kind of foot controller.

Background technique

The dedicated foot controller of surgical apparatus uses in situations in the surgery room, it is desirable that the startup power of key is larger, and has higher Feed liquor degree of protection.Key is the key structure of foot controller.By trampling the operation by key control surgical apparatus or changing Become relevant parameter.The startup power control of key is to design the difficult point of foot controller.

Existing foot push uses regular tap key, triggering starting is easy when accidentally touching, safety is poor, and cannot bear Larger pedal force is easy to trample on foot push, and service life is short.

Summary of the invention

In view of the above deficiencies of the prior art, the purpose of the present invention is to provide a kind of foot controllers, effectively anti- Only maloperation improves safety and prolongs the service life.

In order to achieve the above objects and other related objects, technical solution of the present invention is as follows:

A kind of foot controller is additionally provided on the pedestal including pedestal and setting button assembly on the base For button assembly to be jacked up to and is maintained at the First elastic component of initial position, it is provided with below the button assembly for opening The second elastic component of dynamic construction of switch, in push button component, the First elastic component is dynamic prior to second elastic component Make.

Using the above structure, the pressing structure of button is designed to two-step manner of execution, First elastic component has just The precompression of beginning, in operation button component, it is necessary to first overcome the precompression of First elastic component, First elastic component movement Afterwards, second elastic component could act.First elastic component plays the role of starting protection, to prevent maloperation and avoid The case where accidental pressure trigger button, tramples feedback obviously, improves the safety of equipment, easy to operate.

Further, the impulse stroke of the First elastic component be greater than the second elastic component impulse stroke and/or The elastic force of First elastic component is greater than the elastic force of the second elastic component.

Guarantee that button assembly needs biggish startup power or needs to compress ability after a trip by First elastic component Second elastic component is set to work, when trampling button, only when the precompression or certain row that pedal force is more than First elastic component After journey press head press switch structure could be driven by second elastic component；To prevent maloperation and avoid accidental pressure The case where trigger button, it is obvious to trample feedback, improves the safety of equipment, in addition the operating force of push switch can be designed compared with It is small, to operate.

Further, the position restrainer of limit button component fluctuation range is provided between the button assembly and pedestal Structure.

Further, the First elastic component and the second elastic component are spring or elastic slice, and the button assembly is not When pressing, First elastic component is in compressive state.

Further, the position-limit mechanism includes the limited block being arranged on the base and the backstop being arranged on button assembly Part, the stop part can be moved up and down relative to the limited block, and the limited block moves up and down model to stop part formation Enclose limit.

Further, the button assembly includes button cap and the supporter that is set to below button cap, the supporter Periphery is arranged with push-button socket, and the push-button socket bottom extends outward to form limited step, and limited step constitutes the stop part The outer rim of lower limit portion, the outer rim of the button cap or the supporter forms the upper limit portion of the stop part.

Further, the foot controller further includes the press head for press switch structure, and the press head is set to Below button assembly, it is set in the push-button socket in the second elastic component, the upper and lower side part of the second elastic component It is not against between the supporter and press head.

Further, the mounting groove for accommodating the button assembly, the First elastic component are offered on the pedestal Interior to be set in the push-button socket and be coated at outside the second elastic component, the upper and lower side of the First elastic component is against respectively It is against between the push-button socket and the installation trench bottom or respectively between the supporter and the installation trench bottom.

Further, the mounting groove for accommodating the button assembly, the First elastic component are offered on the pedestal It is coated at outside the push-button socket, the upper end of the First elastic component is against the outer rim lower end of the button cap or the supporter Face, the lower end of the First elastic component are against on the pedestal by the limited block or the mounting groove.

Further, it is provided with installation chamber in the pedestal below the button assembly, electronics device is provided in installation cavity room Part and construction of switch are equipped with membrane structure to installation chamber upper seal, and installation chamber is separated with button assembly, and described the Two elastic components are located above membrane structure, and the construction of switch is located at below membrane structure, and corresponding with second elastic component.

The region of press-button structure and electronic device is separated by membrane structure, liquid is avoided and enters where electronic device Region, effective protection electronic device, improves the sealing performance of equipment；Diaphragm seal form, the requirement to installation mating surface It reduces, reduces manufacturing cost.Switch operation is realized by way of thin film switch or the cooperation of elastic film and construction of switch, Structure is simple.

Further, it is provided with installation chamber in the pedestal below the button assembly, electronics device is provided in installation cavity room Part, the construction of switch are the thin film switch being sealably mounted above installation chamber, which is electrically connected with electronic device It connects and separates installation chamber with button assembly, the second elastic component is located above thin film switch.

As described above, the beneficial effects of the present invention are: the pressing structure of button is designed to two-step manner of execution, it is necessary to After first operating First elastic component, second elastic component press switch structure could be passed through；First elastic component plays starting and protects The effect of shield, so that the case where preventing maloperation and avoiding accidental pressure trigger button, tramples feedback obviously, improve equipment Safety, it is easy to operate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；

Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.

Piece mark explanation

1 pedestal

11 mounting grooves

12 installation chambers

13 connecting holes

14 grooves

15 button mounting bases

16 handle holes

21 button caps

22 push-button sockets

23 limited steps

24 supporters

25 boss

26 annular grooves

3 limited blocks

4 First elastic components

5 second elastic components

6 press heads

7 thin film switches

71 elastic films

72 touch-switch

8 sealants

9 circuit boards

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.

Embodiment 1

As shown in Figure 1, foot controller is also set on pedestal 1 including pedestal 1 and the button assembly being arranged on pedestal 1 It is equipped with the First elastic component 4 with precompression, First elastic component 4, can be by button due to having a upward elastic force Component jacks up and is maintained at initial position, and the second elastic component 5 for starting switch structure is additionally provided with below button assembly, Wherein the operation order of First elastic component 4 must first overcome the compressed line of First elastic component 4 before second elastic component 5 Second elastic component 5 could be operated after journey or elastic force, so that structure is started switch, by First elastic component 4 to the second elasticity The operation of component 5 and construction of switch is protected, to prevent maloperation and avoid the feelings of accidental pressure trigger switch structure Condition tramples feedback obviously, improves the safety of equipment, easy to operate.

Specifically, when First elastic component 4 and 5 lower end of second elastic component are in sustained height, First elastic component 4 Compression work stroke be greater than the second elastic component 5 impulse stroke, i.e. push button component when, first compress one section first After the stroke of elastic component 4 just second elastic component 5 can compress, thus trigger switch structure, in this case corresponding the The elastic force of one elastic component 4 is smaller than, equal to or more than the elastic force of second elastic component 5.In this example preferably, the first elastic structure The elastic force of part 4 is greater than the elastic force of the second elastic component 5, that is, after the biggish precompression for needing to overcome First elastic component 4, Second elastic component 5 can just deformed, so that trigger switch structure, is protected by biggish precompression, and tramples anti- Feedback is obvious.Can certainly First elastic component 4 elastic force and impulse stroke be all larger than second elastic component 5.

5 one side of second elastic component plays the role of the transmitting of button assembly depressing force, on the one hand plays buffer protection work With avoiding hard contact from damaging construction of switch by pressure, the structure in existing foot pedal apparatus can be used in construction of switch described herein.Using upper State structure, it is necessary to first overcome the precompression of First elastic component 4 or must first compress the impulse stroke of one section of First elastic component 4 It just can be carried out the operation of press switch structure, button assembly startup power is larger, plays anti-misoperation and prevents accidental pressure from touching The effect of button is sent out, and after such setting, the elastic force of second elastic component 5 can be designed relatively smaller, with convenient Start switch structure.

Specifically, compressed spring can be selected in First elastic component 4, and the compressed spring is not when being pressed in compression shape State.Second elastic component 5 is spring, is in nature elongation state or compressive state under normal conditions, but its compression elasticity is not enough to grasp Make construction of switch, and the elastic force of second elastic component 5 is less than the elastic force of First elastic component 4, so that needed for button assembly Startup power is larger, and startup power needed for construction of switch is smaller, is convenient for switch operation.First elastic component 4 and the second bullet Property component 5 can also be for elastic slice etc..

Further, the limit of limit button component fluctuation range is provided between the button assembly and pedestal 1 Mechanism, wherein on the one hand position-limit mechanism prevents button assembly to be detached from pedestal 1 under precompression effect, on the other hand prevents button group Construction of switch is damaged under part excessive pressure, position-limit mechanism includes the limited block 3 being arranged on pedestal 1 and is arranged in button assembly On stop part, stop part can move up and down relative to limited block 3, and limited block 3 forms fluctuation range to the stop part Limit.

Specifically, button assembly includes button cap 21 and the supporter 24 for being set to 21 lower section of button cap, supporter 24 Periphery is arranged with push-button socket 22, about 22 synchronizing moving of button cap 21, supporter 24 and push-button socket, button cap 21 and branch in this example Support body 24 is structure as a whole, and button cap 21 covers push-button socket 22 and limited block 3, and limited block 3 is a bushing shape, and push-button socket 22 is Cannula-like, 22 bottom of push-button socket extend outward to form limited step 23, and limited step 23 constitutes the lower limit portion of stop part, button The outer rim of cap 21 or the outer rim of supporter 24 form the upper limit portion of the stop part, and limited block 3 is located at the upper limit of stop part Between portion and lower limit portion.When button assembly pressure, the upper limit portion of stop part is limited 3 upper end of block and blocks, button assembly When return, the lower limit portion of stop part is limited 3 lower end of block and blocks, thus the range that limit button component moves up and down.In order to Waterproof performance is further increased, offers a circle groove 14 in 1 upper surface of pedestal, the cap of button cap 21 is along positioned at the groove 14 It is interior.

Further, construction of switch for ease of operation, further includes the press head 6 for press switch structure, press head 6 It is set to below button assembly, button assembly is the executing agency for moving downward press head 6, is set in second elastic component 5 In push-button socket, the upper end is against on supporter 24, and lower end is against on press head 6.

Further, the mounting groove 11 for accommodating button assembly is provided on pedestal 1, button assembly is arranged in mounting groove 11 tops, second elastic component 5 and press head 6 protrude into 11 lower part of mounting groove, close to construction of switch；Limited block 3 is fixed on installation 11 upper inside wall of slot.First elastic component 4 is arranged in push-button socket, and covers in 5 periphery of the second elastic construction, in an embodiment party In formula, 4 upper end of First elastic component is against on the supporter 24, and lower end is against 11 bottom of mounting groove.In this example, the first elasticity 4 upper end of component is against on push-button socket, and lower end is against 11 bottom of mounting groove.

Specifically, 4 upper end of First elastic component is withstood on the step of 22 inner wall of push-button socket formation, and lower end is against mounting groove 11 Bottom, end cap is on the pillar of 24 lower end of supporter in the second elastic component 5, and lower end cap is on 6 top of press head, to realize Second elastic component 5 avoids its wobble effects from operating in lateral positioning.5 upper end of second elastic component in other embodiments It can also be against on push-button socket 22, second elastic component 5 can be fixedly connected with push-button socket 22 and press head 6.

On the basis of above structure, the present invention is in order to further increase the sealing performance of foot push structure, by electronics Device and button assembly carry out subregion installation, and the installation chamber 12 for accommodating electronic device, electricity are offered in specific pedestal 1 Sub- device generally includes circuit board 9 and battery etc., which is located at 11 lower section of mounting groove, and installation 12 upper end of chamber opens up Connecting hole 13 is communicated with mounting groove 11, and 11 bottom of mounting groove is provided with thin film switch 7, the thin film switch 7 and 11 bottom of mounting groove Portion is tightly connected, and connecting hole 13 is sealed, and separates installation chamber 12 with mounting groove 11, thin film switch 7 passes through conducting wire and circuit Plate 9 connects, and button assembly and press head 6 are located at the surface on thin film switch 7.

Wherein, thin film switch 7 is bonded with pedestal 1, and thin film switch 7 is connected with conducting wire, conducting wire towards connecting hole 13 on one side Inside is penetrated from connecting hole 13, circuit board 9 is connected, applies 8 waterproof of sealant between pedestal 1 around thin film switch 7.First elasticity Component 4 is limited 3 limited length of block between push-button socket 22 and pedestal 1, is in compressive state.Second elastic component 5 is fixed on On button cap 21, lower part connects press head 6.Button cap 21 is trampled, after the precompression more than First elastic component 4, button cap 21 It is moved downwardly together with second elastic component 5, press head 6 is driven to press thin film switch 7, trigger switch.Release button cap 21, institute There is part to be returned to original state.

The startup power of thin film switch 7 is smaller, uses the small spring-actuated of elastic force；Key startup power is larger, big using elastic force Spring-actuated；It is the configuration of the present invention is simple, compact, solve waterproof problem while ensure that biggish startup power；It prevents from anticipating External pressure trigger button structure improves device security, and it is obvious to trample feedback, does not need profiled seal set, reduce manufacture at This.

Thin film switch 7 will switch in this example and waterproof construction is integrated together, and in other embodiments, thin film switch 7 can The combination of film and touch-switch, such as PVC film are replaced with, film is still sealingly mounted at 11 bottom of mounting groove, by upper and lower two A region separates, and touch-switch is located at immediately below film, is mounted in installation chamber 12, and connect with circuit board 9.Pass through film Seal form, the requirement to installation mating surface reduce, and reduce manufacturing cost.It is tied by thin film switch 7 or film and switch The mode of structure cooperation realizes switch operation, and structure is simple.

Embodiment 2

This example difference from example 1 is that, button mounting base 15 is additionally arranged on pedestal 1 to install button group Part, and using the fit system of elastic film 71 and touch-switch 72.

Specifically as shown in Fig. 2, being provided with button mounting base 15 on pedestal 1, limited block 3 passes through screw thread and button mounting base 15 connections, 4 upper end of First elastic component are withstood on button assembly, and lower end is against on button mounting base 15 or limited block 3, button peace Filling is mounting groove 11 below seat 15, and second elastic component 5 and press head 6 protrude into mounting groove 11, close to construction of switch.

Wherein, button assembly includes button cap 21, the supporter being mounted in button cap 21 24 and is mounted on supporter The push-button socket 22 of 24 lower parts, 22 swivel nut of push-button socket in 24 lower part of supporter, and between 15 inner wall of button mounting base can relatively on Lower slider, First elastic component 4 are coated at outside push-button socket, and the upper end of First elastic component is against the outer rim of button cap or supporter Lower end surface, the lower end of First elastic component are against on the pedestal 1 on 11 side of limited block 3 or mounting groove.Specifically, 22 lower end of push-button socket It is provided with a circle limited step 23,24 upper end of supporter is provided with a circle boss 25, and annular groove 26 is opened up on boss 25 for installing First elastic component 4,4 lower end of First elastic component are pressed in 3 outer rim of limited block, are against when button assembly downlink by boss 25 Limit is realized in 3 upper end of limited block, is realized when button assembly uplink and is limited in 3 lower end of limited block by the gear of limited step 23.Second 5 upper end of elastic component is connect with 24 lower end of supporter, and 5 lower end of second elastic component connects the press head 6.First bullet in this example Property 4 lower end of component height be higher than second elastic component 5, in this case, the elastic force of First elastic component 4 can be greater than the second bullet Property component 5, the impulse stroke of corresponding First elastic component 4 is smaller than, is equal to or more than second elastic component 5；It certainly can also It is greater than second elastic component 5 to be set as the impulse stroke of First elastic component 4, the elastic force of corresponding First elastic component 4 is big In, be equal to or less than second elastic component 5.Its operating principle is similar to Example 1, repeats no more.

Similarly, in order to improve waterproof performance in this example, electronic device and button assembly are subjected to subregion installation, specifically The installation chamber 12 for accommodating electronic device is offered on pedestal 1, which is located at 11 lower section of mounting groove, installation cavity The top of room 12 with open handle hole 16 between mounting groove 11 and communicate, handle hole 16 is by being mounted on the elastic film of 11 bottom of mounting groove 71 sealing structures separate installation chamber 12 with button assembly, the gap between 11 bottom of 71 periphery of elastic film and mounting groove Waterproof is sealed with sealant, wherein construction of switch and electronic device are mounted in installation chamber 12, and construction of switch preferably touches Switch 72 is located at the underface of elastic film 71, and press head 6 is located at 71 top of elastic film, and right with touch-switch 72 It answers.

The structure, button cap 21 are fixed with 24 viscose glue of supporter, and fixing piece is connect with 1 viscose glue of pedestal, push-button socket 22 with The opposite sliding of 3 energy of limited block, tramples button cap 21, and First elastic component 4 is compressed, and drives and is connected to by second elastic component 5 Press head 6 on 24 lower end of supporter moves down, and pushes the 72 work sending sound of touch-switch being isolated by elastic film 71 It rings.Elastic film 71 is made of plastics or rubber.

The foot push structure not only waterproofing grade with higher, and when trampling control in place, it has corresponding Auditory tone cues.It is isolated on waterproofing grade using PVC film sealing, touch-switch 72 is used on to acoustic notification, when stepping on The prompt of sound is had when stepping on control in place.It realizes with the auditory tone cues of control in place are trampled while waterproof, simultaneously The cost of material of use is cheaper, effectively reduces processing cost.

Any person skilled in the art all without departing from the spirit and scope of the present invention, carries out above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit with All equivalent modifications completed under technical idea or change should be covered by the claims of the present invention.

Claims

1. A foot controller, comprising a base and a button assembly arranged on the base, characterized in that: the base is also provided with a first elastic member for jacking up the button assembly and maintaining it in the initial position, so A second elastic member for activating the switch structure is arranged below the button assembly. When the button assembly is pressed, the first elastic member acts before the second elastic member; the button assembly includes a button cap and a The lower support body, a limit mechanism for limiting the up and down movement range of the button assembly is provided between the button assembly and the base, and the limit mechanism includes a limit block arranged on the base and a stopper arranged on the button assembly. A stopper, the stopper can move up and down relative to the limit block, and the limit block forms an up and down movement range limit for the stopper; a button seat is sleeved on the periphery of the support body, and the The bottom of the button seat extends outward to form a limit step, the limit step constitutes the lower limit portion of the stopper, and the outer edge of the button cap or the outer edge of the support body forms the upper limit portion of the stopper The foot controller also includes a pressing head for pressing the switch structure, the pressing head is arranged below the button assembly, and the upper and lower ends of the second elastic member respectively abut between the support body and the pressing head .

2 . The foot controller according to claim 1 , wherein the working stroke of the first elastic member is greater than the working stroke of the second elastic member and/or the elastic force of the first elastic member is greater than that of the first elastic member. 3 . The elastic force of the second elastic member.

3 . The foot controller according to claim 1 , wherein the first elastic member and the second elastic member are springs or elastic sheets, and the first elastic member is in compression when the button assembly is not pressed. 4 . state.

4 . The foot controller according to claim 1 , wherein the second elastic member is arranged in the button seat, a groove is formed on the upper surface of the base, and the brim of the button cap is located at the upper surface of the base. 5 . in this groove.

5 . The foot controller according to claim 1 , wherein an installation groove for accommodating the button assembly is formed on the base, and the first elastic member is arranged in the button seat and The upper and lower ends of the first elastic member are respectively abutted between the button seat and the bottom of the installation groove or between the support body and the bottom of the installation groove.

6 . The foot controller according to claim 1 , wherein a mounting groove for accommodating the button assembly is formed on the base, and the first elastic member is sleeved outside the button seat, so that the The upper end of the first elastic member abuts against the button cap or the lower end surface of the outer edge of the support body, and the lower end of the first elastic member abuts on the limiting block or the base next to the installation groove.

7. The foot controller according to any one of claims 1 to 6, wherein an installation chamber is arranged in the base below the button assembly, and an electronic device and a switch structure are arranged in the installation chamber. A membrane structure is sealed above the chamber to separate the installation chamber from the button assembly, the second elastic member is located above the membrane structure, and the switch structure is located below the membrane structure and corresponds to the second elastic member.

8. The foot controller according to any one of claims 1 to 6, wherein an installation chamber is arranged in the base below the button assembly, and an electronic device is arranged in the installation chamber, and the switch structure For a membrane switch hermetically mounted over a mounting chamber that is electrically connected to the electronic device and separates the mounting chamber from the button assembly, the second resilient member is located over the membrane switch.